New LED with Luminescent Proteins I (IMAGE) Spanish Foundation for Science and Technology Caption This image shows rubber with red, green and blue luminescent proteins used to produce the BioLEDs. Credit M. D. Weber/University of Erlangen-Nuremberg Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.